Diagnostics

In addition to the diagnostic variables described in the Devices section, the Modbus device in slave mode also has the following diagnostic variables:

Current Connections (Modbus TCP only): contains the current number of connections to the server.

Incoming Read Requests: contains the number of incoming read requests for the current slave identifier.

Incoming Write Requests: contains the number of incoming write requests for the current slave identifier.

Last Incoming Read Utc Time: contains the UTC time of the last incoming read request for the current slave identifier.

Last Incoming Write Utc Time: contains the UTC time of the last incoming write request for the current slave identifier.